package com.lxl.demo;

public class Demo3 {
    public int mySqrt(int x) {
        int res = (int)Math.sqrt(x);
        return res;
    }
    public void test(){
        int[] res = new int[10];
    }

    public static void main(String[] args) {
        Demo3 demo3 = new Demo3();
        System.out.println(demo3.mySqrt(8));

    }
}
